DC Motors A dc motor can be easily identified by Yoke Winding Commutator Size of conductor Yoke Winding Commutator Size of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will change but power will remain constant Torque, power and speed, all will change Torque will remain constant Torque and power both will change Torque will change but power will remain constant Torque, power and speed, all will change Torque will remain constant Torque and power both will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving None of the listed here Cranes and hoists Machine tools Shear and punches None of the listed here Cranes and hoists Machine tools Shear and punches ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Load Armature reaction Field excitation None of the listed here Load Armature reaction Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It limits the speed of the motor It limits the starting current to a safe value It starts the motor None of the listed here It limits the speed of the motor It limits the starting current to a safe value It starts the motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP